DrillAcrossOp.java

package org.olap4j.driver.olap4ld.linkeddata;

public class DrillAcrossOp implements LogicalOlapOp {

	public LogicalOlapOp inputop1;
	public LogicalOlapOp inputop2;

	public DrillAcrossOp(LogicalOlapOp inputop1, LogicalOlapOp inputop2) {
		this.inputop1 = inputop1;
		this.inputop2 = inputop2;
	}

	public String toString() {
		return "Drill-across(" + inputop1.toString() + ", "
				+ inputop2.toString() + ")";
	}

	@Override
	public void accept(LogicalOlapOperatorQueryPlanVisitor v)
			throws QueryException {
		v.visit(this);

		// I do not use vistor pattern but depth-first search to compile query
		// if (v instanceof Olap2SparqlSesameDerivedDatasetVisitor) {
		// // nothing more to visit
		// } else {
		// // visit the projection input op
		// inputop1.accept(v);
		// inputop2.accept(v);
		// }
		// visit the projection input op
		inputop1.accept(v);
		inputop2.accept(v);
	}
}